There's no need to be so unfriendly towards them.

没必要对他们这么不客气。

《牛津词典》

You can choose to be friendly, or you can choose to be unfriendly.

你可以选择待人友好，也可以选择不友好。

youdao

This is considered to be extremely unfriendly.

这被认为是极不友好的举动。

youdao

This is considered to be extremely unfriendly.

这被认为是极不友好的举动。

youdao